package com.qfjy.homework.yuanling;

public class Client {
    //员工给秘书文件，如何让老板签字
    public static void main(String[] args) {
        Boss boss = new Boss();
        SecretaryProxy secretaryProxy = new SecretaryProxy();
       Sign secretary= (Sign) secretaryProxy.bind(boss);

       secretary.sign();
    }
}
